| /* |
| * Copyright (C) 2008 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.inject.internal; |
| |
| import com.google.inject.internal.Element.Type; |
| import java.lang.annotation.Annotation; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** An implementation of Element. */ |
| // TODO(cgruber): Use AutoAnnotation when available, here & wherever else is makes sense. |
| class RealElement implements Element { |
| private static final AtomicInteger nextUniqueId = new AtomicInteger(1); |
| |
| private final int uniqueId; |
| private final String setName; |
| private final Element.Type type; |
| private final String keyType; |
| |
| RealElement(String setName, Element.Type type, String keyType) { |
| this(setName, type, keyType, nextUniqueId.incrementAndGet()); |
| } |
| |
| RealElement(String setName, Element.Type type, String keyType, int uniqueId) { |
| this.uniqueId = uniqueId; |
| this.setName = setName; |
| this.type = type; |
| this.keyType = keyType; |
| } |
| |
| @Override |
| public String setName() { |
| return setName; |
| } |
| |
| @Override |
| public int uniqueId() { |
| return uniqueId; |
| } |
| |
| @Override |
| public Element.Type type() { |
| return type; |
| } |
| |
| @Override |
| public String keyType() { |
| return keyType; |
| } |
| |
| @Override |
| public Class<? extends Annotation> annotationType() { |
| return Element.class; |
| } |
| |
| @Override |
| public String toString() { |
| return "@" |
| + Element.class.getName() |
| + "(setName=" |
| + setName |
| + ",uniqueId=" |
| + uniqueId |
| + ", type=" |
| + type |
| + ", keyType=" |
| + keyType |
| + ")"; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return o instanceof Element |
| && ((Element) o).setName().equals(setName()) |
| && ((Element) o).uniqueId() == uniqueId() |
| && ((Element) o).type() == type() |
| && ((Element) o).keyType().equals(keyType()); |
| } |
| |
| @Override |
| public int hashCode() { |
| return ((127 * "setName".hashCode()) ^ setName.hashCode()) |
| + ((127 * "uniqueId".hashCode()) ^ uniqueId) |
| + ((127 * "type".hashCode()) ^ type.hashCode()) |
| + ((127 * "keyType".hashCode()) ^ keyType.hashCode()); |
| } |
| } |